Preparation method of long-acting mosquito repellent liquid and long-acting mosquito repellent liquid

Abstract

The invention provides a preparation method of long-acting mosquito repellent liquid. The long-acting mosquito repellent liquid is prepared by taking 3-8 parts by weight of hydroxyethyl isobutyl piperidine carboxylate in 20 parts by weight of water to obtain a first solution; and taking 3-8 parts by weight of citriodora oil and adding to 20 parts by weight of ethano to obtain a second solution; mixing the first solution and the second solution to obtain the third solution; taking 10-20 parts by weight of pelargonium roseum ait, and 10-20 parts by weight of folium artemisiae argyi to 100 parts by weight of ethanol water solution; performing backflow and extraction for 3-4 hours under constant temperature of 30-40 DEG C and pressure of 0.15 MPa to obtain a fourth solution; concentrating the fourth solution to 4-50 parts by weight of solution and mixing with the third solution; adding 0-0.5 part by weight of citric acid. The invention further provides the long-acting mosquito repellent liquid. The long-acting mosquito repellent liquid is free from side effect and long-acting mosquito repellent effect at the same time.

Description

technical field

[0001] The invention belongs to the technical field of outdoor products, and in particular relates to a method for making an outdoor long-acting mosquito repellent and the long-acting mosquito repellent. Background technique

[0002] Mosquitoes can not only bring people annoying itching, but if the itching is not handled properly, it may turn into indelible scars, which will affect the appearance of people's skin for a long time, and the main harm of mosquitoes is to spread diseases. According to relevant studies, there are more than 80 kinds of diseases transmitted by mosquitoes.

[0003] One solution is to keep mosquitoes from touching human skin through isolation.

[0004] The prior art has the problems of side effects and short mosquito repelling time. Contents of the invention

[0005] One of the objects of the present invention is to provide a method for making a long-acting mosquito repellent liquid without side effects. This purpose is achieved t...